Doesn't
Range("C2:D601").FormulaR1C1 = "='340 nm'!RC-'340 nm'!C3"
do it?
Doesn't
Range("C2:D601").FormulaR1C1 = "='340 nm'!RC-'340 nm'!C3"
do it?
p45cal
Everyone: If I've helped and you can't be bothered to acknowledge it, I can't be bothered to look at further posts from you.